3978443

Names of 3978443

• Cardinal: 3978443 can be written as Three million, nine hundred seventy-eight thousand, four hundred forty-three.

Scientific notation

• Scientific notation: 3.978443 × 10⁶

Factors of 3978443

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 568356

Divisors of 3978443

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 568349 3978443
• Sum of all divisors σ(n): 4546800
• Sum of proper divisors (its aliquot sum) s(n): 568357
• 3978443 is a deficient number, because the sum of its proper divisors (568357) is less than itself. Its deficiency is 3410086

Bases of 3978443

• Binary: 1111001011010011001011₂
• Hexadecimal: 0x3CB4CB
• Base-36: 2D9SB

Squares and roots of 3978443

• 3978443 squared (3978443²) is 15828008704249
• 3978443 cubed (3978443³) is 62970830433358504307
• The square root of 3978443 is 1994.6034693643
• The cube root of 3978443 is 158.4544280147

Scales and comparisons

• 3,978,443 seconds is equal to 6 weeks, 4 days, 1 hour, 7 minutes, 23 seconds.
• To count from 1 to 3,978,443 would take you about nine weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 3978443 cubic inches would be around 13.2 feet tall.

Recreational maths with 3978443

• 3978443 backwards is 3448793
• The number of decimal digits it has is: 7
• The sum of 3978443's digits is 38
• More coming soon!